Filter unit

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Patent

active

D02827670

REFERENCES:
patent: D147357 (1947-08-01), Watkins
patent: D204722 (1966-05-01), Jenner
patent: D238296 (1975-12-01), Trimarchi
patent: D248869 (1978-08-01), Risher
patent: D258686 (1981-03-01), Johnson
patent: 2763139 (1956-09-01), Callan et al.
patent: 2887567 (1959-05-01), Dameral
patent: 3596442 (1971-08-01), Neumann
patent: 3745750 (1973-07-01), Arff
patent: 3861894 (1975-01-01), Marsh
patent: 3954427 (1976-05-01), Jenn
patent: 4011067 (1977-03-01), Carey, Jr.
patent: 4226715 (1980-10-01), Niederer et al.
patent: 4277255 (1981-07-01), Apelgren
patent: 4301095 (1981-11-01), Mettler et al.
patent: 4370155 (1983-01-01), Armbruster
patent: 4378980 (1983-04-01), Long
Modufil.TM. Sales Brochure No. 107-10/82 (Oct. 1982) prepared by Assignee, ppm, Inc., Knoxville, TN.
Modufil.TM. Sales Brochure No. 112-2/83 (Feb. 1983) prepared by Assignee, ppm, Inc., Knoxville, TN.
Modufil.TM. Sales Brochure No. 113-3/83 (Mar. 1983) prepared by Assignee, ppm, Inc., Knoxville, TN.
Sales Brochure, Northern Air Corporation, "Modular Air Filtration Systems Model AR-2000" (exact date unknown).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Filter unit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Filter unit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filter unit will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1004072

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.